diff --git a/src/meshlabplugins/edit_align/align/AlignGlobal.cpp b/src/meshlabplugins/edit_align/align/AlignGlobal.cpp
index 509c940f..7203fb51 100644
--- meshlab/src/meshlabplugins/edit_align/align/AlignGlobal.cpp
+++ b/src/meshlabplugins/edit_align/align/AlignGlobal.cpp
@@ -429,11 +429,11 @@ Per ogni componente connessa,
 
 ******************************/
 
-bool AlignGlobal::GlobalAlign(const std::map<int,string> &Names, 	const double epsilon, int maxiter, bool Rigid, FILE *elfp, CallBack* cb )
+bool AlignGlobal::GlobalAlign(const std::map<int,string> &Names, 	const double epsilon, int maxiter, bool Rigid, FILE *elfp, CallBackPos* cb )
 {
   double change;
   int step, localmaxiter;
-  cb("Global Alignment...");
+  cb(1,"Global Alignment...");
   LOG(elfp,"----------------\n----------------\nGlobalAlignment (target eps %7.3f)\n",epsilon);
 
   queue<AlignGlobal::Node *>	Q;
diff --git a/src/meshlabplugins/edit_align/align/AlignGlobal.h b/src/meshlabplugins/edit_align/align/AlignGlobal.h
index c306f53d..42c5614f 100644
--- meshlab/src/meshlabplugins/edit_align/align/AlignGlobal.h
+++ b/src/meshlabplugins/edit_align/align/AlignGlobal.h
@@ -115,7 +115,7 @@ public:
 	Node *ChooseDormantWithMostActiveLink  ();
   void MakeAllDormant();
   void Clear();
-  bool GlobalAlign(const std::map<int,std::string> &Names, 	const double epsilon, int maxiter, bool Rigid, FILE *elfp=0, CallBack * cb=DummyCallBack );
+  bool GlobalAlign(const std::map<int,std::string> &Names, 	const double epsilon, int maxiter, bool Rigid, FILE *elfp=0, CallBackPos *cb=DummyCallBackPos);
 
     bool CheckGraph();